Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 3 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 03/21/2021   22:08:25   (   0.09,-128.41) (  -0.53,-131.07)  303.65                80
 03/22/2021   21:52:21   (   0.09,-128.41) (   0.51,-126.55)  211.91                80
 03/24/2021   10:14:09   (  -0.07,-128.38) (   0.69,-131.82)  391.76                80
 03/25/2021   09:52:45   (  -0.08,-128.37) (  -0.29,-127.29)  122.81                80
 03/26/2021   22:14:42   (   0.06,-128.37) (  -0.88,-132.60)  482.38                80
 03/27/2021   21:58:38   (   0.07,-128.36) (   0.11,-128.07)   32.76                80
 03/30/2021   10:01:43   (  -0.07,-128.32) (   0.05,-128.82)   56.78                80
 03/31/2021   09:40:19   (  -0.08,-128.30) (  -1.00,-124.30)  456.98                80
 04/01/2021   22:02:15   (   0.06,-128.28) (  -0.23,-129.60)  149.95                80
 04/02/2021   21:46:11   (   0.07,-128.27) (   0.76,-125.07)  364.11                80